/*
* ISA Plug & Play support
- * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
*
*
* This program is free software; you can redistribute it and/or modify
#if 0
#define ISAPNP_REGION_OK
#endif
-#if 0
-#define ISAPNP_DEBUG
-#endif
int isapnp_disable; /* Disable ISA PnP */
static int isapnp_rdp; /* Read Data Port */
static int isapnp_reset = 1; /* reset all PnP cards (deactivate) */
static int isapnp_verbose = 1; /* verbose mode */
-MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
+MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
MODULE_DESCRIPTION("Generic ISA Plug & Play support");
module_param(isapnp_disable, int, 0);
MODULE_PARM_DESC(isapnp_disable, "ISA Plug & Play disable");
static unsigned char isapnp_checksum_value;
static DEFINE_MUTEX(isapnp_cfg_mutex);
-static int isapnp_detected;
static int isapnp_csn_count;
/* some prototypes */
} else if (iteration > 1) {
break;
}
- __next:
+__next:
if (csn == 255)
break;
checksum = 0x6a;
"isapnp: unexpected or unknown tag type 0x%x for logical device %i (device %i), ignored\n",
type, dev->number, card->number);
}
- __skip:
+__skip:
if (size > 0)
isapnp_skip_bytes(size);
}
"isapnp: unexpected or unknown tag type 0x%x for device %i, ignored\n",
type, card->number);
}
- __skip:
+__skip:
if (size > 0)
isapnp_skip_bytes(size);
}
EXPORT_SYMBOL(isapnp_present);
EXPORT_SYMBOL(isapnp_cfg_begin);
EXPORT_SYMBOL(isapnp_cfg_end);
-#if 0
-EXPORT_SYMBOL(isapnp_read_byte);
-#endif
EXPORT_SYMBOL(isapnp_write_byte);
static int isapnp_read_resources(struct pnp_dev *dev,
struct pnp_resource_table *res)
{
int ret;
+
pnp_init_resource_table(res);
isapnp_cfg_begin(dev->card->number, dev->number);
ret = isapnp_read_resources(dev, res);
static int isapnp_disable_resources(struct pnp_dev *dev)
{
- if (!dev || !dev->active)
+ if (!dev->active)
return -EINVAL;
isapnp_cfg_begin(dev->card->number, dev->number);
isapnp_deactivate(dev->number);
struct pnp_dev *dev;
if (isapnp_disable) {
- isapnp_detected = 0;
printk(KERN_INFO "isapnp: ISA Plug & Play support disabled\n");
return 0;
}
}
isapnp_set_rdp();
}
- isapnp_detected = 1;
if (isapnp_rdp < 0x203 || isapnp_rdp > 0x3ff) {
cards = isapnp_isolate();
if (cards < 0 || (isapnp_rdp < 0x203 || isapnp_rdp > 0x3ff)) {
release_region(_PIDXR, 1);
#endif
release_region(_PNPWRP, 1);
- isapnp_detected = 0;
printk(KERN_INFO
"isapnp: No Plug & Play device found\n");
return 0;
}
}
}
- if (cards) {
+ if (cards)
printk(KERN_INFO
"isapnp: %i Plug & Play card%s detected total\n", cards,
cards > 1 ? "s" : "");
- } else {
+ else
printk(KERN_INFO "isapnp: No Plug & Play card found\n");
- }
isapnp_proc_init();
return 0;